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// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_COMPILER_JS_INTRINSIC_LOWERING_H_
#define V8_COMPILER_JS_INTRINSIC_LOWERING_H_
#include "src/compiler/common-operator.h"
#include "src/compiler/graph-reducer.h"
#include "src/compiler/simplified-operator.h"
namespace v8 {
namespace internal {
namespace compiler {
// Forward declarations.
class CommonOperatorBuilder;
class JSOperatorBuilder;
class JSGraph;
class MachineOperatorBuilder;
// Lowers certain JS-level runtime calls.
class JSIntrinsicLowering final : public AdvancedReducer {
public:
enum DeoptimizationMode { kDeoptimizationEnabled, kDeoptimizationDisabled };
JSIntrinsicLowering(Editor* editor, JSGraph* jsgraph,
DeoptimizationMode mode);
~JSIntrinsicLowering() final {}
Reduction Reduce(Node* node) final;
private:
Reduction ReduceConstructDouble(Node* node);
Reduction ReduceDateField(Node* node);
Reduction ReduceDeoptimizeNow(Node* node);
Reduction ReduceDoubleHi(Node* node);
Reduction ReduceDoubleLo(Node* node);
Reduction ReduceHeapObjectGetMap(Node* node);
Reduction ReduceIncrementStatsCounter(Node* node);
Reduction ReduceIsMinusZero(Node* node);
Reduction ReduceIsInstanceType(Node* node, InstanceType instance_type);
Reduction ReduceIsNonNegativeSmi(Node* node);
Reduction ReduceIsSmi(Node* node);
Reduction ReduceJSValueGetValue(Node* node);
Reduction ReduceMapGetInstanceType(Node* node);
Reduction ReduceMathClz32(Node* node);
Reduction ReduceMathFloor(Node* node);
Reduction ReduceMathSqrt(Node* node);
Reduction ReduceSeqStringGetChar(Node* node, String::Encoding encoding);
Reduction ReduceSeqStringSetChar(Node* node, String::Encoding encoding);
Reduction ReduceStringGetLength(Node* node);
Reduction ReduceUnLikely(Node* node, BranchHint hint);
Reduction ReduceValueOf(Node* node);
Reduction ReduceFixedArrayGet(Node* node);
Reduction ReduceFixedArraySet(Node* node);
Reduction ReduceGetTypeFeedbackVector(Node* node);
Reduction ReduceGetCallerJSFunction(Node* node);
Reduction ReduceThrowNotDateError(Node* node);
Reduction ReduceCallFunction(Node* node);
Reduction Change(Node* node, const Operator* op);
Reduction Change(Node* node, const Operator* op, Node* a, Node* b);
Reduction Change(Node* node, const Operator* op, Node* a, Node* b, Node* c);
Reduction Change(Node* node, const Operator* op, Node* a, Node* b, Node* c,
Node* d);
Reduction ChangeToUndefined(Node* node, Node* effect = nullptr);
Graph* graph() const;
JSGraph* jsgraph() const { return jsgraph_; }
CommonOperatorBuilder* common() const;
JSOperatorBuilder* javascript() const;
MachineOperatorBuilder* machine() const;
DeoptimizationMode mode() const { return mode_; }
SimplifiedOperatorBuilder* simplified() { return &simplified_; }
JSGraph* const jsgraph_;
DeoptimizationMode const mode_;
SimplifiedOperatorBuilder simplified_;
};
} // namespace compiler
} // namespace internal
} // namespace v8
#endif // V8_COMPILER_JS_INTRINSIC_LOWERING_H_
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